• LM2903M SOIC (D)-8
LM2903M SOIC (D)-8

LM2903M

This 8-SOIC package ensures easy integration into various circuit designs

Quantity Unit Price(USD) Ext. Price
1 $2.762 $2.76
200 $1.069 $213.80
500 $1.032 $516.00
1000 $1.013 $1,013.00

Inventory:6,702

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Overview of LM2903M

The LM2903M is a dual voltage comparator IC that offers precision analog voltage comparisons in various applications.This IC features two independent voltage comparators with open-collector outputs,providing flexibility and reliability in voltage monitoring and control circuits.

Pinout

(Note:The pin configuration below is a general representation.Refer to the specific datasheet for precise details.)

  • IN-:Negative Input for Comparator 1
  • IN+:Positive Input for Comparator 1
  • VCC:Positive Power Supply
  • OUT1:Output for Comparator 1
  • OUT2:Output for Comparator 2
  • GND:Power Ground
  • IN-:Negative Input for Comparator 2
  • IN+:Positive Input for Comparator 2


Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LM2903M IC for a visual representation.

Key Features

  • Dual Voltage Comparators:The LM2903M contains two independent voltage comparators,enabling simultaneous comparison of two analog voltages.
  • Open-Collector Outputs:With open-collector outputs,the LM2903M allows for wired-OR connections and versatile output configurations.
  • Wide Power Supply Range:Operates from a single +2.0V to +36V supply,making it suitable for various voltage monitoring applications.
  • Low Input Offset Voltage:Provides precise voltage comparisons with low input offset voltage,ensuring accurate detection of voltage differences.
  • Wide Temperature Range:The LM2903M supports operation in extended temperature ranges,ideal for harsh environment applications.

Note:For detailed technical specifications,please refer to the LM2903M datasheet.

Application

  • Voltage Monitoring:Ideal for voltage monitoring and threshold detection in power supply circuits and battery management systems.
  • Comparator Circuits:Suitable for designing comparator circuits in instrumentation,process control,and sensor interfaces.
  • Signal Conditioning:Used in signal conditioning applications such as waveform shaping and signal level detection.

Functionality

The LM2903M dual voltage comparator provides precise voltage comparison between two analog input signals,enabling efficient monitoring and control of voltage levels in various electronic systems.

Usage Guide

  • Power Supply:Connect VCC(Pin 4)to the positive power supply and GND(Pin 6)to ground.
  • Input Connections:Apply the analog input voltages to the respective IN+ and IN- pins of the comparators for voltage comparison.
  • Output Handling:Utilize the open-collector outputs(OUT1 and OUT2)with external pull-up resistors for desired logic output configurations.

Frequently Asked Questions

Q:What is the common-mode input voltage range for the LM2903M?
A:The LM2903M has a common-mode input voltage range from V- to V+ - 1.5V,providing flexibility in voltage comparison tasks.

Q:Can the LM2903M operate in single-supply configurations?
A:Yes,the LM2903M can operate with a single power supply voltage,ranging from +2.0V to +36V,enabling simple and versatile circuit designs.

Equivalent

For similar functionalities,consider these alternatives to the LM2903M:

  • LM393:This is a similar dual voltage comparator IC from Texas Instruments,offering comparable performance and features to the LM2903M.
  • MC33172:An alternative dual voltage comparator IC from ON Semiconductor,providing similar functionality with enhanced specifications.

LM2903M

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of channels 2 Output type Open-collector
Propagation delay time (µs) 0.7 Vs (max) (V) 36
Vs (min) (V) 2 Vos (offset voltage at 25°C) (max) (mV) 7
Iq per channel (typ) (mA) 0.2 Input bias current (±) (max) (nA) 250
Rail-to-rail Out Rating Catalog
Operating temperature range (°C) -40 to 85 Features Small Size
VICR (max) (V) 34.5 VICR (min) (V) 0

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